Reinforce for concrete structures.



J. .M. SHERWOOD.

REINFORGE FOR CONCRETE STRUCTURES.

APPLICATION FILED DEC. 9,1907.

902,335. Patented Oct. 27, 1908.

UNITED STATES PATENT OFFICE.

JOHN ll. SHERWOOD. OF BRIDE EPORT. CON N liC'lIClf'l, ASSIGNOR TO THE BRIDGEIDRT CHAIN LTOBIPANY, OF BRIDGEPORT. CONNECTICUT, CORPORATION OF CONNECTICUT.

REINFORCE FOR CONCRETE STRUCTURES.

Application filed December 9, 1907.

To all 2071 om it may concern:

Be it known that. 1, JOHN M. SHERWOOD, a citizen of the. Inited States, residing at Bridgeport, county of F airfield, State of Connecticut, have invented a new and. useful Reinforce for Concrete Structures, of which the following is specification.

This invention relates more especially to the class of concrete fioors and walls for buildings which are formed by building molds for the floors or walls and pouring concrete therein and allowing the concrete to harden, additional vertical sections in the case of walls being added as fast as the sections below become hardened, and the invention has for its object to provide a simple, inexpensive and easily assembled reinforce for this class of structures that may be made of any length required and different sections of which may be conveniently secured together vertically so as to make a convenient reinforce for walls of any required height, the reinforce being added to vertically as the wall.

is built up.

."(ith these and other objects in view I have devised the novel reinforce for concrete structures, of which the following description in connection with the accompanying drawing is a specilicationv reference characters being used to indicate the several parts:

Figure 1 is an elevation showing the corners of two sections of in y novel reinforce and the manner in which the sections are joined together: Fig. 2 a vertical section. corresponding therewith, the vertical chains of two sections and the connecting hook appearingin elevation; and Fig. 3 is a horizontal section. on an enlarged scale illustrating a variant-niode of securing the horizontal chains to the vertical chains.

A denotes sections of my novel lTiil'fOlCQ and B the connecting hooks by which the sections are oincd. Each section comprises two sets of chains which cross and are secured togetl'icr at the intersections, side rods and end rods. For convei'iicnce in description. 1 term one set of chains vertical chains and indicate them by ill. and the other set horizontal chains and indicate them by 11. llhe side rods are indicated by 12 and the end rods are indicated by 13. Any style of chain may be used so far as the principle of the invention is concerned. I preferably, hoax-over. u e the well known Triumph chain. i re l which arc formed from Specificationot' Letters Patten-tr wi re Patented Oct. 271, 1908.

Serial No. 405.710-

Each link con'ipris'es' a body 14 formed from the mid-length of a blank of wire which is then bent to form a double eye,ind1cated by 15, through which the body of the contiguous link is passed, the ends of the piece of wire forming hooks 16 which engage the body of the link, thus giving the greatest possible strength to the link to resist any amount of strain. The chains are secured together in any suitable manner, by passing: the horizontal chains through the bodies of the links of the vertical chains, as clearly shown in the drawing. The side and end rods used are preferably of slightly greater diameter than the openings in the links so that the bodies of the links require to be opened outward slightly to receive the rod andr; ill retain the rod securely in place by frictional contact. 'l. he side rods 12 are passed through the end links of the vertical chains and the end rods 13 are passed through the end links of the horizontal chains, as clearly shown in the drawing. At the four corners of each section, the side and end rods are secured together in any simple and convenient manner as by a wrapping of wire, indicated by 17. thus forming of the reinforce frame as it were that can be handled c uiveniently.

The four rods l2 and 13 form a substantially rectangular frame. Since the end links of the chains securely engage the rods as above described, there can be no such lateral movement of the chains redativeiy to each other and ti e rods, as would enable the chains to lc shifted out of position. or flexed during progressive building as hereinafter described.

In use, the reii'iforce is placed mid-way between the walls ofthe mold. and then the con crete is poured in filling the mold and pack ing tightly about the reinforce. The reinforce is made in sections of any convci'iicnt si ,e, it being of course wholly immaterial, so far as the principle of the invention is concerned, how many vertical or horizontal chains are used or what length the vertical or horizontal chains are made. The side rods, of course, COII'GSPOIltl in length with the horizontal chains and the end rods correspond in length with the vertical chains. walls are being built and it is desirable to use a plurality of sections side by side, the contiguous vertical rods may be placed close together or the sections may overlap and the contiguous end rods may or may not be se- In case long cured together in any suitable manner as means hooks or by wrappings ofwire. --In' building walls, the' sections of the reinforce place. The piece of wire from which each hook B is formed is bent at its mid-length to form a double hook, indicated by 18. The parts of the piece of wire extend parallel with each other from double hook 18 and-the ends of the piece of wire are curved over to form single hooks 19 at the other end of the hook proper, said hooks 19 bein preferably turned toward double hook 18. n attaching a hook B, the hooks 19 are placed in'engagement with the upper side rod 12 of the lower section A of the reinforce on opposite sides of a vertical chain, then hooks 19 are given a complete turn about the upper side rod 12 of the lower section and the hook proper is drawn up leaving the double hook 18in engagement with the upper side rod 12"of the lower section and straddling a vertical chain, and then the hooks 19 are placed in engagement with the lower'side rod 12 of the upper .or new section of the reinforce and on opposite sides of a vertical chain, as clearlyshown in the drawings.

In the form illustrated in Fig. 3, the horizontal chains instead of being passed through the vertical chains, as in Figs. land 2, are

eoasss ,wrap'ped, about the vertical chains. This form requires a greater quantity of chain and has the advantage of forming protuberances in the horizontal chains which are anchored in the-concrete.

In progressive building. as described, it is of course desirable that the chains sliall she held in their preedet'ermined or defined rela tionship during theailling in of the'concrete. The rods serve this purpose and prevent the chains from being flexed or shifted materially in a lateral direction by any unequal supply of the material that is being poured in.

Having thus described my invention I claim: f.

1. A reinforce section for concrete structures comprising a substantially rectangular frame of rods and a plurality of vertical chains, and a plurality ofihorizontal chains firmly secured to'said frame whereby said chains are held against lateral-movement relatively to each other and to'the rods during progressive building.

2. A reinforce section for concrete structures comprising a substantially rectangular frame of rods and two sets of chains crossing each other and engaging at the points of intersection, the end and side rods of the frame firmly engaging the end links of the respec tive sets of chains, whereby said chains are held against lateral movement relatively to each other and to the rods during progressive building. v y

In testimony whereof I affix my signature, inpresence of two witnesses.

- JOHN M. SHERWOOD.

Witnesses: v

A. M. WOOSTER,

S. W. A'riI'ERToN. 

